Addition and subtraction

  • problem
    Favourite

    The Amazing Splitting Plant

    Age
    5 to 7
    Challenge level
    filled star filled star filled star

    Can you work out how many flowers there will be on the Amazing Splitting Plant after it has been growing for six weeks?

  • 2, 4, 6, 8
    problem
    Favourite

    2, 4, 6, 8

    Age
    5 to 7
    Challenge level
    filled star filled star filled star

    Using the cards 2, 4, 6, 8, +, - and =, what number statements can you make?

  • Number Round Up
    problem
    Favourite

    Number Round Up

    Age
    5 to 7
    Challenge level
    filled star filled star filled star

    Arrange the numbers 1 to 6 in each set of circles below. The sum of each side of the triangle should equal the number in its centre.

  • The tomato and the bean
    problem
    Favourite

    The Tomato and the Bean

    Age
    5 to 7
    Challenge level
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    At the beginning of May, Tom put his tomato plant outside. On the same day he sowed a bean in another pot. When will the two be the same height?

  • problem
    Favourite

    The Brown Family

    Age
    5 to 7
    Challenge level
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    Use the information about Sally and her brother to find out how many children there are in the Brown family.

  • The Tall Tower
    problem
    Favourite

    The Tall Tower

    Age
    5 to 7
    Challenge level
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    As you come down the ladders of the Tall Tower you collect useful spells. Which way should you go to collect the most spells?

  • Always, Sometimes or Never?
    problem
    Favourite

    Always, Sometimes or Never?

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    Are these statements relating to odd and even numbers always true, sometimes true or never true?

  • I'm Eight
    problem
    Favourite

    I'm Eight

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    Find a great variety of ways of asking questions which make 8.

  • Totality
    problem
    Favourite

    Totality

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    This is an adding game for two players. Can you be the first to reach the target?

  • Strike it out
    problem
    Favourite

    Strike It Out

    Age
    5 to 11
    Challenge level
    filled star empty star empty star

    Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.